Otter

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Amblonyx
Aonyx
Enhydra
Lontra
Lutra
Lutrogale
Pteronura

Otters are semi-aquatic (or in one case aquatic) fish-eating mammals. The otter subfamily Lutrinae forms part of the family Mustelidae, which also includes weasels, polecats, badgers, as well as others. With twelve species in seven genera, otters have an almost worldwide distribution. They mainly eat aquatic animals, predominantly fish and shellfish, but also other invertebrates, amphibians, birds and small mammals.

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Nomenclature

The word otter derives from the Old English word otor or oter. This and cognate words in other Indo-European languages ultimately stem from the PIE root *wódr̥ which also gave rise to the English word water.[1]

An otter's den is called a holt or couch. A male otter is a dog, a female a bitch, and a baby a whelp, kit, or pup.[2] The collective nouns for otters are bevy, family, lodge or romp, being descriptive of their often playful nature, or when in water raft.

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